source: liacs/MIR2010/SourceCode/cximage/xfile.h@ 422

/*

 * File:        xfile.h

 * Purpose:     General Purpose File Class 

 */

/*

  --------------------------------------------------------------------------------



        COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:



        CxFile (c)  11/May/2002 Davide Pizzolato - www.xdp.it

        CxFile version 2.00 23/Aug/2002

        CxFile version 2.10 16/Dec/2007

        

        Special thanks to Chris Shearer Cooper for new features, enhancements and bugfixes



        Covered code is provided under this license on an "as is" basis, without warranty

        of any kind, either expressed or implied, including, without limitation, warranties

        that the covered code is free of defects, merchantable, fit for a particular purpose

        or non-infringing. The entire risk as to the quality and performance of the covered

        code is with you. Should any covered code prove defective in any respect, you (not

        the initial developer or any other contributor) assume the cost of any necessary

        servicing, repair or correction. This disclaimer of warranty constitutes an essential

        part of this license. No use of any covered code is authorized hereunder except under

        this disclaimer.



        Permission is hereby granted to use, copy, modify, and distribute this

        source code, or portions hereof, for any purpose, including commercial applications,

        freely and without fee, subject to the following restrictions: 



        1. The origin of this software must not be misrepresented; you must not

        claim that you wrote the original software. If you use this software

        in a product, an acknowledgment in the product documentation would be

        appreciated but is not required.



        2. Altered source versions must be plainly marked as such, and must not be

        misrepresented as being the original software.



        3. This notice may not be removed or altered from any source distribution.

  --------------------------------------------------------------------------------

 */

#if !defined(__xfile_h)

#define __xfile_h



#if defined (WIN32) || defined (_WIN32_WCE)

 #include <windows.h>

#endif



#include <stdio.h>

#include <stdlib.h>



#include "ximadef.h"



class DLL_EXP CxFile

{

public:

        CxFile(void) { };

        virtual ~CxFile() { };



        virtual bool    Close() = 0;

        virtual size_t  Read(void *buffer, size_t size, size_t count) = 0;

        virtual size_t  Write(const void *buffer, size_t size, size_t count) = 0;

        virtual bool    Seek(long offset, int origin) = 0;

        virtual long    Tell() = 0;

        virtual long    Size() = 0;

        virtual bool    Flush() = 0;

        virtual bool    Eof() = 0;

        virtual long    Error() = 0;

        virtual bool    PutC(unsigned char c)

                {

                // Default implementation

                size_t nWrote = Write(&c, 1, 1);

                return (bool)(nWrote == 1);

                }

        virtual long    GetC() = 0;

        virtual char *  GetS(char *string, int n) = 0;

        virtual long    Scanf(const char *format, void* output) = 0;

};



#endif //__xfile_h